3860507520 has 256 divisors, whose sum is σ = 14008680000. Its totient is φ = 1004175360.

The previous prime is 3860507491. The next prime is 3860507527. The reversal of 3860507520 is 257050683.

3860507520 is a `hidden beast` number, since 3 + 86 + 0 + 50 + 7 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860507527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705756 + ... + 711204.

Almost surely, 2^3860507520 is an apocalyptic number.

3860507520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3860507520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7004340000).

3860507520 is an abundant number, since it is smaller than the sum of its proper divisors (10148172480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3860507520 is a wasteful number, since it uses less digits than its factorization.

3860507520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518 (or 5500 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 3860507520 is about 62132.9825455048. The cubic root of 3860507520 is about 1568.7297554146.

The spelling of 3860507520 in words is "three billion, eight hundred sixty million, five hundred seven thousand, five hundred twenty".